263951727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 390168576

約数和(自身を除く): 126216849

約数列:

[1, 3, 13, 39, 41, 123, 383, 431, 533, 1149, 1293, 1599, 4979, 5603, 14937, 15703, 16809, 17671, 47109, 53013, 165073, 204139, 229723, 495219, 612417, 689169, 2145949, 6437847, 6767993, 20303979, 87983909, 263951727]

約数ペア:

[(1, 263951727), (3, 87983909), (13, 20303979), (39, 6767993), (41, 6437847), (123, 2145949), (383, 689169), (431, 612417), (533, 495219), (1149, 229723), (1293, 204139), (1599, 165073), (4979, 53013), (5603, 47109), (14937, 17671), (15703, 16809)]